66708346 has 8 divisors (see below), whose sum is σ = 100167264. Its totient is φ = 33319260.

The previous prime is 66708329. The next prime is 66708347. The reversal of 66708346 is 64380766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66708299 and 66708308.

It is not an unprimeable number, because it can be changed into a prime (66708347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15000 + ... + 18931.

It is an arithmetic number, because the mean of its divisors is an integer number (12520908).

Almost surely, 2^66708346 is an apocalyptic number.

66708346 is a deficient number, since it is larger than the sum of its proper divisors (33458918).

66708346 is a wasteful number, since it uses less digits than its factorization.

66708346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34916.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 66708346 is about 8167.5177379667. The cubic root of 66708346 is about 405.5646161428.

The spelling of 66708346 in words is "sixty-six million, seven hundred eight thousand, three hundred forty-six".